Varieties and Mechanisms of Common Ownership: A Calibration Exercise for Competition Policy

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Abstract

Minority shareholdings have been on the regulatory agenda of competition authorities for some time. Recent empirical studies, however, draw attention to a new, thought-provoking theory of harm: common ownership by institutional investors holding small, parallel equity positions in several competing firms within concentrated industries. While critical voices abound, EU and U.S. antitrust agencies closely follow these developments indicating an appetite to act. This article connects the common ownership debate to merger control and explores: i) the aims and scope of legal control as regards partial acquisitions in different jurisdictions; ii) the nature of potential competition effects arising from passive minority shareholding; and iii) the plausibility of common owners' anticompetitive strategies from a corporate governance perspective. Drawing a distinction between "concentrated" and "diffuse" common ownership, it sheds light on the different supporting mechanisms and varying harm potential of each variety. "Passive influence "mechanisms characterizing "diffuse" common ownership may not only generate plausible and material competition concerns in given circumstances but present challenges for the effective jurisdictional and remedial design of merger law frameworks. Competition policy should stay current by explicitly recognizing these novel insights in enforcement practice and developing guidelines on how to treat common ownership cases in the future.
Original languageEnglish
Pages (from-to)168-254
JournalJournal of Competition Law & Economics
Volume18
Issue number1
Early online date2021
DOIs
Publication statusPublished - 2022

Bibliographical note

Marie Skłodowska-Curie Action

Subject classification (UKÄ)

  • Law

Free keywords

  • Competition law
  • Private law

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